package com.test.struts.action;

import java.io.PrintWriter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class CountAction extends Action {
	private Integer count=0;
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		PrintWriter out = response.getWriter();
		synchronized(count){
			count++;
		}//count是对所有对该action的请求共享的 因此需要加上同步锁
		out.println("count="+count);
		return null;
	}

}
